Patent 7458458 was granted and assigned to Illinois Tool Works on December, 2008 by the United States Patent and Trademark Office.
A sleeve for a package of containers such as a group of beverage bottles and cans. The sleeve surrounds the group of containers held by a carrier. The sleeve includes a parting line allowing separation of the sleeve to release the containers, and a tear-initiating breach in the sleeve configured to yield to pressure and initiate tearing along the parting line.